0_0_25440722_22070.cpp: In function 'int main()':
0_0_25440722_22070.cpp:38:14: error: 'T' was not declared in this scope
scanf("%d",&T);while (T--) {
^
0_0_25440722_22070.cpp:40:28: error: 'memset' was not declared in this scope
memset(root,0,sizeof(root));
^
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